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Add a travis builder for wasm32-unknown-emscripten
This commits add an entry to travis matrix that will execute wasm32-unknown-emscripten tests suites.
- Emscripten for asmjs was updated to sdk-1.37.13-64bit
- The tests are run with node 8.0.0 (it can execute wasm)
- A wrapper script is used to run each test from the directory where it is (workaround for https://github.com/kripken/emscripten/issues/4542)
- Some tests are ignore, see #42629 and #42630
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Remove sometimes in std::io::Read doc
We use it immediately in the next sentence, and the word is filler.
A different conversation to make is whether we want to call them Readers in the documentation at all. And whether it's actually called "Readers" elsewhere.
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Fixes issue #37440: `pthread_cond_timedwait` on macOS Sierra seems
to overflow `ts_sec` parameter and returns immediately. To work
around this problem patch rounds timeout down to approximately 1000
years.
Patch also fixes overflow when converting `u64` to `time_t`.
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Fixes #38879
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Merge crate `collections` into `alloc`
This is a necessary step in order to merge #42565
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See #42423
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`compiler-plugins.html` is moved into the Unstable Book.
Explanation is slightly modified to match the change.
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Build instruction profiler runtime as part of compiler-rt
r? @alexcrichton
This is #38608 with some fixes.
Still missing:
- [x] testing with profiler enabled on some builders (on which ones? Should I add the option to some of the already existing configurations, or create a new configuration?);
- [x] enabling distribution (on which builders?);
- [x] documentation.
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We use it immediately in the next sentence, and the word is filler.
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Capture elapsed duration in Thread::park_timeout example
`beginning_park.elapsed()` might return a larger value within the loop as compared to that checked in the loop conditional.
Since `Duration` arithmetic is checked, hitting such an edge case will cause a panic.
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See #42629 and #42630.
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env docs completion.
Should be closing #29351 with the alignment of the iterators to the template.
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std: Handle ENOSYS when calling `pipe2`
Should help fix an accidental regression from #39386.
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Should help fix an accidental regression from #39386.
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Rollup of 5 pull requests
- Successful merges: #42470, #42490, #42497, #42510, #42512
- Failed merges:
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Changing error message from `contains interior mutability` to `may contain interior mutability`
Fixes #40313 . I have changed the message from `contains interior mutability` to `may contain interior mutability` for the following example
```
use std::cell::Cell;
use std::panic::catch_unwind;
fn main() {
let mut x = Cell::new(22);
catch_unwind(|| { x.set(23); });
}
```
which has been added as a ui test.
Also, the message [here](https://github.com/gaurikholkar/rust/blob/master/src/librustc_mir/transform/qualify_consts.rs#L666) and it's respective `compile-fail` test have been modified.
cc @nikomatsakis @Mark-Simulacrum @eddyb
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r=QuietMisdreavus
Add doc examples for `CString` methods.
None
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Improve documentation of next_power_of_two
Clarify overflow behavior of `next_power_of_two`.
Related Issue: #18604
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`Stdio` now implements `From<ChildStdin>`, `From<ChildStdout>`,
`From<ChildStderr>`, and `From<File>`.
The `Command::stdin`/`stdout`/`stderr` methods now take any type that
implements `Into<Stdio>`.
This makes it much easier to write shell-like command chains, piping to
one another and redirecting to and from files. Otherwise one would need
to use the unsafe and OS-specific `from_raw_fd` or `from_raw_handle`.
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Always quote program name in Command::spawn on Windows
[`CreateProcess`](https://msdn.microsoft.com/en-us/library/windows/desktop/ms682425.aspx) will interpret args as part of the binary name if it
doesn't find the binary using just the unquoted name. For example if
`foo.exe` doesn't exist, `Command::new("foo").arg("bar").spawn()` will
try to launch `foo bar.exe` which is clearly not desired.
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The implementation of mx_job_default changed from a macro which
accessed the __magenta_job_default global variable to a proper
function call. This patch tracks that change.
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Inline io::Error creation from ErrorKind
Faster and smaller code for mio and tokio (PRs on those to follow)
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`CreateProcess` will interpret args as part of the binary name if it
doesn't find the binary using just the unquoted name. For example if
`foo.exe` doesn't exist, `Command::new("foo").arg("bar").spawn()` will
try to launch `foo bar.exe` which is clearly not desired.
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r=QuietMisdreavus
Rewrite a couple `Receiver` doc examples.
None
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Support VS 2017
Fixes #38584
This replaces all the MSVC linker logic with that from the 'gcc' crate. The code looks the same, but there could be regressions.
I've only tested this with x86_64.
r? @alexcrichton
cc @vadimcn @retep998
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[Doc] Expands `detach` documentation in `thread::JoinHande`.
Part of #29378 .
- Adds an example of a thread detaching.
- Expands what `detaching` means.
r? @steveklabnik
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Part of #29378 .
- Adds an example of a thread detaching.
- Expands what `detaching` means.
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Fixes #38584
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Decompose Adjustment into smaller steps and remove the method map.
The method map held method callee information for:
* actual method calls (`x.f(...)`)
* overloaded unary, binary, indexing and call operators
* *every overloaded deref adjustment* (many can exist for each expression)
That last one was a historical ~~accident~~ hack, and part of the motivation for this PR, along with:
* a desire to compose adjustments more freely
* containing the autoderef logic better to avoid mutation within an inference snapshot
* not creating `TyFnDef` types which are incompatible with the original one
* i.e. we used to take a`TyFnDef`'s `for<'a> &'a T -> &'a U` signature and instantiate `'a` using a region inference variable, *then* package the resulting `&'b T -> &'b U` signature in another `TyFnDef`, while keeping *the same* `DefId` and `Substs`
* to fix #3548 by explicitly writing autorefs for the RHS of comparison operators
Individual commits tell their own story, of "atomic" changes avoiding breaking semantics.
Future work based on this PR could include:
* removing the signature from `TyFnDef`, now that it's always "canonical"
* some questions of variance remain, as subtyping *still* treats the signature differently
* moving part of the typeck logic for methods, autoderef and coercion into `rustc::traits`
* allowing LUB coercions (joining multiple expressions) to "stack up" many adjustments
* transitive coercions (e.g. reify or unsize after multiple steps of autoderef)
r? @nikomatsakis
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Based on @scottmcm 's suggestion
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